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Other Types of Scaffolds  Scissor Lifts


Scissor lifts, including those with platforms that extend beyond the equipment's wheelbase, do not fall within the ANSI definition of aerial lifts. Therefore, scissor lifts are not considered to be a type of aerial lift. While there are no OSHA provisions that specifically address scissor lifts, they do meet the definition of a scaffold. [OSHA Standard Interpretation Letter. (2002, August 1), ANSI/SIA A92.3, A92.5, and A92.6]


Figure 1: Scissor lift
Figure 1: Scissor lift.
  • Workers should be trained.
  • Before moving with workers inside the scissor lift:
    • The surface on which the scaffold is being moved must be within 3 degrees of level and free of pits, holes, and obstructions (such as overhead, electrical, hazardous atmospheres).
    • The height to base width ratio of the scaffold during movement is two to one or less, unless the scaffold is designed and constructed to meet or exceed nationally recognized stability test requirements. [ANSI/SIA A92.5 and A92.6]
  • Travel speed should be limited by the workplace conditions (such as holes in the deck or unlevel surfaces)
  • Operator controls should be tested.
  • Load limits should not be exceeded.
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